Modeling and simulation of multi-plane Electrical Capacitance Tomography sensor for flow imaging by using Finite Element Analysis

2014 ◽  
Author(s):  
Areeba Shafquet ◽  
I. Ismail ◽  
Azuraien Jaafar
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Modeling And Simulation ◽  
Electrical Capacitance Tomography ◽  
Flow Imaging ◽  
Electrical Capacitance ◽  
Element Analysis ◽  
Capacitance Tomography

FINITE ELEMENT ANALYSIS ON ELECTRICAL CAPACITANCE SENSOR GUARD

2015 ◽  
Vol 77 (28) ◽  
Author(s):  
Jaysuman Pusppanathan ◽  
Ruzairi Abdul Rahim ◽  
Fatin Aliah Phang ◽  
Fazlul Rahman Mohd Yunus ◽  
Nor Muzakkir Nor Ayob ◽  
...  
Keyword(s):  
Finite Element ◽  
Copper Plate ◽  
Electrical Capacitance Tomography ◽  
Electrical Capacitance ◽  
Capacitance Sensor ◽  
Element Analysis ◽  
Numerical Studies ◽  
Capacitance Tomography ◽  
Conventional Type ◽  
Lower Noise

Electrical Capacitance Tomography (ECT) is widely used for multiphase flow measuring and monitoring purposes. In this paper, a customized sensor electrode is introduced for ECT system. This sensor has an embedded guard using flexible FR4 copper plate which makes it advantage over the conventional type of design in terms of smaller in size, easy to attach on pipe circumference and has lower noise. To investigate the behaviour of the sensor guard, a Finite Element Method (FEM) using COMSOL Multiphysics software comes necessary. An emulated experiment is carried out to solve the sophisticated numerical studies to model the customized ECT sensor and its embedded noise guards.

scholarly journals Electrical Capacitance Tomography (ECT) Electrode Size Simulation Study for Cultured Cell

2021 ◽  
Vol 2071 (1) ◽  
pp. 012052
Author(s):  
N A Zulkiflli ◽  
M D Shahrulnizahani ◽  
X F Hor ◽  
F A Phang ◽  
M F Rahmat ◽  
...  
Keyword(s):  
Finite Element ◽  
Cultured Cells ◽  
Electrical Capacitance Tomography ◽  
Finite Element Models ◽  
Capacitive Sensing ◽  
Electrical Capacitance ◽  
Cross Sectional ◽  
Electrode Size ◽  
Cell Monitoring ◽  
Capacitance Tomography

Abstract Cell sensing and monitoring using capacitive sensors are widely used in cell monitoring because of the flexible and uncomplicated design and fabrication. Previous work from many different fields of applications has integrated capacitive sensing technique with tomography to produce cross-sectional images of the internal dielectric distribution. This paper carried an investigation on the capabilities of four 16-channel sensor electrodes with different electrode sizes to detect the change in the dielectric distribution of the cultured cells. All three 16-channel sensor electrodes are designed and simulate on COMSOL 6.3a Multiphysics. The pre-processing results obtained from three finite element models (FEM) of ECT sensor configurations in detecting the cell phantom shows that bigger electrodes size are more sensitive to permittivity distribution.

Prediction of Kingpin/Fifthwheel Forces for Tractor-Semitrailers During Typical Operating Maneuvers

2007 ◽  
Author(s):  
Brent Shoffner ◽  
James Allen ◽  
Moustafa El-Gindy ◽  
Wayne Evenson ◽  
Mario A. Scaglione
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Modeling And Simulation ◽  
Computer Simulations ◽  
Literature Search ◽  
Simulation Software ◽  
Element Analysis ◽  
Supporting Structure ◽  
Fea Model ◽  
Age Related

Visual inspections of selected semitrailers during routine equipment checks revealed that the kingpin bent in the direction of 180 degrees from the direction that the semitrailer is towed. Confirmation from semitrailer repair facilities found that in some cases the semitrailer’s supporting structure developed unexpected cracks. These cracks were not thought to be age related but were most likely caused by high stresses from unknown high loads. In an effort to determine the forces at the kingpin and fifthwheel, TruckSim® modeling and simulation software was utilized to predict the forces in all three directions during various operating maneuvers. Computer simulations suggest the largest forces are experienced during coupling operations as opposed to severe maneuvering or braking. The development of a Finite Element Analysis (FEA) model of the tractor-semitrailer coupling determined that high coupling speeds would overload the kingpin-fifthwheel structure. The FEA model also allowed researchers to determine that a damping system would lower the forces at the kingpin-fifthwheel interface to the magnitude of forces experienced during normal operations. A literature search found no valid documented tests, and determined the SAE J133 kingpin loading requirements were incorrect.

Electromagnetic Characteristic of Sensitive Field on Compare Electrical Capacitance Tomography with Electrical Resistance Tomography

2014 ◽  
Vol 543-547 ◽  
pp. 697-700
Author(s):  
Qing Yu Gan ◽  
Li Ping Su
Keyword(s):  
Finite Element ◽  
Electrical Resistance ◽  
Electrical Capacitance Tomography ◽  
Compound System ◽  
Electrical Capacitance ◽  
Electrical Resistance Tomography ◽  
Math Model ◽  
Electromagnetic Characteristic ◽  
Electromagnetic Characteristics ◽  
Capacitance Tomography

The electromagnetic characteristic of sensitive field of Electrical Capacitance Tomography (ECT) was compared with that of Electrical Resistance Tomography (ERT) applying Finite Element Method.The math model of ECT and ERT were deduced respectively, then their electromagnetic characteristics of sensitive field and their relationship were evaluated using finite element method, which laid the foundation of theory for information fusion in ECT&ERT-compound system.

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